[Federal Register Volume 78, Number 72 (Monday, April 15, 2013)]
[Notices]
[Pages 22349-22350]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2013-08693]


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NUCLEAR REGULATORY COMMISSION

[NRC-2012-0066]


Guidance on the Treatment of Uncertainties Associated With PRA in 
Risk-Informed Decisionmaking

AGENCY: Nuclear Regulatory Commission.

ACTION: Announcement of issuance for public comment, availability.

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SUMMARY: The Nuclear Regulatory Commission has issued for public 
comment a document entitled: NUREG-1855, Revision 1, ``Guidance on the 
Treatment of Uncertainties Associated with PRA in Risk-Informed 
Decisionmaking,'' Draft Report for Comment.

DATES: Please submit comments by May 27, 2013. Comments received after 
this date will be considered if it is practical to do so, but the NRC 
staff is able to ensure consideration only for comments received on or 
before this date.

ADDRESSES: You may submit comments by any of the following methods 
(unless this document describes a different method for submitting 
comments on a specific subject):
     Federal rulemaking Web site: Go to http://www.regulations.gov and search for Docket ID NRC-2012-0066. Address 
questions about NRC dockets to Carol Gallagher; telephone: 301-492-
3668; email: Carol.Gallagher@nrc.gov. For technical questions, contact 
the individual(s) listed in the FOR FURTHER INFORMATION CONTACT section 
of this document.

Accessing Information and Submitting Comments

A. Accessing Information

    Please refer to Docket ID NRC-2012-0066 when contacting the NRC 
about the availability of information regarding this document. You may 
access information related to this document, which the NRC possesses 
and is publicly available, by any of the following methods:
     Federal Rulemaking Web site: Go to http://www.regulations.gov and search for Docket ID NRC-2012-0066.
     NRC's Agencywide Documents Access and Management System 
(ADAMS): You may access publicly available documents online in the NRC 
Library at http://www.nrc.gov/reading-rm/adams.html. To begin the 
search, select ``ADAMS Public Documents'' and then select ``Begin Web-
based ADAMS Search.'' For problems with ADAMS, please contact the NRC's 
Public Document Room (PDR) reference staff at 1-800-397-4209, 301-415-
4737, or by email to pdr.resource@nrc.gov. The ADAMS accession number 
for each document referenced in this document (if that document is 
available in ADAMS) is provided the first time that a document is 
referenced.
     NRC's PDR: You may examine and purchase copies of public 
documents at the NRC's PDR, Room O1-F21, One White Flint North, 11555 
Rockville Pike, Rockville, Maryland 20852.

B. Submitting Comments

    Please include Docket ID NRC-2012-0066 in the subject line of your 
comment submission, in order to ensure that the NRC is able to make 
your comment submission available to the public in this docket.
    The NRC cautions you not to include identifying or contact 
information that you do not want to be publicly

[[Page 22350]]

disclosed in you comment submission. The NRC will post all comment 
submissions at http://www.regulations.gov as well as enter the comment 
submissions into ADAMS. The NRC does not routinely edit comment 
submissions to remove identifying or contact information.
    If you are requesting or aggregating comments from other persons 
for submission to the NRC, then you should inform those persons not to 
include identifying or contact information that they do not want to be 
publicly disclosed in their comment submission. Your request should 
state that the NRC does not routinely edit comment submissions to 
remove such information before making the comment submissions available 
to the public or entering the comment submissions into ADAMS.
    Federal Rulemaking Web site: Public comments and supporting 
materials related to this notice can be found at http://www.regulations.gov by searching on Docket ID: NRC-2012-0066.

FOR FURTHER INFORMATION CONTACT: Mary Drouin, Division of Risk 
Analysis, Office of Nuclear Regulatory Research, U.S. Nuclear 
Regulatory Commission, Washington, DC 20555-0001. Telephone: 301-251-
7574, email: mary.drouin@nrc.gov.

SUPPLEMENTARY INFORMATION: NUREG-1855, Revision 1, Guidance on the 
Treatment of Uncertainties Associated with PRA in Risk-Informed 
Decisionmaking, Draft Report for Comment provides guidance on how to 
treat uncertainties associated with probabilistic risk assessment (PRA) 
in risk-informed decisionmaking. The objectives of this guidance 
include fostering an understanding of the uncertainties associated with 
PRA and their impact on the results of PRA and providing a pragmatic 
approach to addressing these uncertainties in the context of the 
decisionmaking. This revision incorporates a revised structure for 
better ease of use and updates the staff position on the treatment of 
uncertainties.

    Dated at Rockville, Maryland, this 4th day of April, 2013.

    For the Nuclear Regulatory Commission.
Gary M. DeMoss,
Chief, Performance and Reliability Branch Division of Risk Analysis, 
Office of Nuclear Regulatory Research.
[FR Doc. 2013-08693 Filed 4-12-13; 8:45 am]
BILLING CODE 7590-01-P